Answer:
c
Explanation:
the positive charges of the nuclear and the negative charges of delocalized electrons
Answer:
add sulfur trioxide
Explanation:
To produce benzenesulfonic acid from benzene, fuming sulfuric acid and sulfur trioxide are added. Fuming sulfuric acid, also refered to as oleum, is a concentrated solution of dissolved sulfur trioxide in sulfuric acid.
Answer:
(d) All spontaneous reactions have a negative free-energy change
Explanation:
All spontaneous reactions releases free energy which can be used later for the work to be done. A reaction with a negative value for ΔG releases free energy and is thus spontaneous
Answer:
Es la tercera por qué cuando el material varía va cambiando de estado
Explanation:
